# print()
user_name = 'hello'
uese_age = '10'
print("name:", user_name, 'age:', uese_age, sep='|', end='')

s1 = '0123456789'
print(len(s1))

s2 = 'a'
print(ord(s2))

s3 = 97
print(chr(s3))

s4 = 4
print(eval('s4 * 3'))

#
s6 = 'jack love rose'
print(s6.title())
print(s6.upper())
print(s6.lower())

s7 = '    python    '
print(s7.rstrip())
print(s7.lstrip())
print(s7.strip())

s8='pythonpython'
print(s8.find('t'))
print(s8.index('t',4))

s14 = "My name is Tom,His name is Jerry."
print(s14.count('is'))



